2020191682686 has 8 divisors (see below), whose sum is σ = 4040383365384. Its totient is φ = 673397227560.

The previous prime is 2020191682661. The next prime is 2020191682687. The reversal of 2020191682686 is 6862861910202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2020191682686 is an admirable number.

It is a super-2 number, since 2×2020191682686² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020191682687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168349306885 + ... + 168349306896.

It is an arithmetic number, because the mean of its divisors is an integer number (505047920673).

Almost surely, 2^{2020191682686} is an apocalyptic number.

2020191682686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2020191682686 is a wasteful number, since it uses less digits than its factorization.

2020191682686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336698613786.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 2020191682686 in words is "two trillion, twenty billion, one hundred ninety-one million, six hundred eighty-two thousand, six hundred eighty-six".